Keyboard



FIG. 1 is a perspective view of a keyboard showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view of the keyboard where the keyboard is in aconfiguration of use.

The broken lines in the drawings depict portions of the keyboard thatform no part of the claimed design.

CLAIM The ornamental design for a keyboard, as shown and described.